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Linux Distros Unpatched Vulnerability : CVE-2026-7320

high Nessus Plugin ID 310909

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird 150.0.1, and Thunderbird 140.10.1. (CVE-2026-7320)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-7320

https://ubuntu.com/security/CVE-2026-7320

Plugin Details

Severity: High

ID: 310909

File Name: unpatched_CVE_2026_7320.nasl

Version: 1.12

Type: Local

Agent: unix

Family: Misc.

Published: 4/29/2026

Updated: 5/20/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-7320

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:mozjs115, p-cpe:/a:redhat:enterprise_linux:thunderbird-flatpak, p-cpe:/a:redhat:enterprise_linux:firefox-flatpak, p-cpe:/a:canonical:ubuntu_linux:mozjs38, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:thunderbird, cpe:/o:centos:centos:8, p-cpe:/a:canonical:ubuntu_linux:thunderbird, p-cpe:/a:canonical:ubuntu_linux:mozjs52, p-cpe:/a:canonical:ubuntu_linux:mozjs78, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:canonical:ubuntu_linux:mozjs102, p-cpe:/a:centos:centos:firefox, p-cpe:/a:centos:centos:thunderbird-flatpak, p-cpe:/a:centos:centos:firefox-flatpak, cpe:/o:centos:centos:7, p-cpe:/a:canonical:ubuntu_linux:mozjs68, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:mozjs91, p-cpe:/a:centos:centos:thunderbird, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:redhat:enterprise_linux:firefox

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/28/2026

Reference Information

CVE: CVE-2026-7320